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Vodafone Logo Vodafone · IT - Software Development

Network & OSS Design Engineer

Spain, Madrid · Job Posted January 21, 2026
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Job Description

Perks and benefits; Would you like to be part of our new adventure? Vodafone Group launched its new technological HUB in 2021, an international center of excellence dedicated to research and development of technical solutions, such as Secure Networks, 5G and 6G development, Open RAN, IoT, MPN & MEC and UCC for Vodafone Business, platforms and enterprise solutions. This vacancy is part of VOIS Spain, legal entity part of Vodafone Group. Come and join us to create the future together! For the role of Specialist GPON Technology Engineer we are looking for candidates with a broad range of skills.

Job Responsibility

  • Engineering and lifecycle management of the network elements as well as the management of the suppliers in the GPON/FFTx Fixed Access domain
  • Develop the fiber access connectivity for all market segments in GPON &FTTx design and process requirements and evaluations of supplier tenders, whereby the projects are located in European Vodafone national companies
  • Participate in the choice and control of suppliers and take over the technical contract conditions
  • Creation of planning, implementation, and installation specifications as well as the product-related configuration for connectivity
  • Create interference suppression and optimization rules for connectivity and control the system acceptance and introduction and carry them out successfully
  • Lifecycle management of fixed access xPON/FTTx platforms (OLT, L2 ONT, EMS and SDN)
  • Define the rules for capacity management of fixed access xPON/FTTH platforms to guarantee the best performance to customers
  • Coordination of implementation for new projects impacted xPON/FTTHx platforms
  • Implementation of new services for Consumer, Enterprise (i.e. new speeds or fixed services over XGS-PON) and Mobile Backhauling over xPON/FTTx technology
  • Support testing activities for new SW upgrades, bug fixing, security patches, etc
  • High- and Low-Level Design (HLD & LLD) for new services and/or platforms
  • Implementation of security policies defined in Vodafone to hardening all fixed access xPON/FTTx platforms
  • Automation of network activities in fixed access xPON/FTTx platforms by use of scripting or RPA technics

Requirements

  • University degree: Telecommunication degree, with 5+ years of experience
  • Very good knowledge of fixed access technologies (such as GPON, XGSPON and new PON flavours as well as P2P Ethernet fiber) with special emphasis on SDN (Software Defined Network)
  • Experience in handling with protocols and interfaces, especially southbound interfaces between OSS and SDN-C (e.g. XML, JSON, SOAP, RESTconf, Netconf, YANG, Openflow, Kafka, Corba etc.)
  • Be competent on Standard Web Services commonly used in the OSS /SDN-C environment (Keycloak, Grafana, MariaDB etc.)
  • Communication and security protocols. Switching and Routing protocols (i.e. VLAN, L2/L3 QoS, etc). Validation and authentication protocols: PPP, DHCP, etc
  • Strong experience working in cross engineering teams. Strong capacity for teamwork
  • Advanced level of English

What we offer

  • We offer hybrid (2 days in the office)
  • Competitive salary
  • Intensive Summer Schedule
  • Intensive schedule every Friday
  • Health Insurance
  • Life insurance
  • 25 days holiday + December 24th and 31st
  • Restaurant tickets
  • Online training
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